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Discussion Starter · #1 ·
Hey ST peeps. I need some help please. I'm only getting 15lbs of boost on my 2015 ST. I'm running a Cobb accessport roush intake borla cat back cpe intercooler and mbrp charge pipes. I have the access port flashed to stage 2 and in mode 1. Any help would be appreciated!!
 

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Check for boost leaks around the charge pipes or the BPV may be sticking or leaking. I had an issue with my Mountune sticking at limiting boost.
 

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Discussion Starter · #4 ·
Yes sir one of the first things to go about a year ago when I took out that trash stereo system and put in a custom one
 

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I think he meant BOV, which is the blow off valve...
 

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Not to stupid but what is the BPV? I'm an old head new to this turbo stuff?
Yeah the BPV (by-pass Valve) is the OE operation where it by-passes back into the intake, where a BOV (blow off Valve) usually vents to atmosphere. The Mountune BPV operates like OE just with a superior design, and most of the other types all vent to atmosphere or 50/50.
 
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